US8276635B2 - Machines and methods for manufacturing of an object closed onto itself - Google Patents

Machines and methods for manufacturing of an object closed onto itself Download PDF

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Publication number
US8276635B2
US8276635B2 US11/792,661 US79266105A US8276635B2 US 8276635 B2 US8276635 B2 US 8276635B2 US 79266105 A US79266105 A US 79266105A US 8276635 B2 US8276635 B2 US 8276635B2
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US
United States
Prior art keywords
machine
tyre material
tyre
elements
manufacturing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US11/792,661
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English (en)
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US20090038740A1 (en
Inventor
Erik Gerardus Nijhuis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vmi Epe Holland BV
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Vmi Epe Holland BV
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Publication of US20090038740A1 publication Critical patent/US20090038740A1/en
Assigned to VMI EPE HOLLAND B.V. reassignment VMI EPE HOLLAND B.V. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Nijhuis, Erik Gerardus
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Expired - Fee Related legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/38—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
    • B29D30/42—Endless textile bands without bead-rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/24—Drums
    • B29D30/242—Drums for manufacturing substantially cylindrical tyre components without cores or beads, e.g. treads or belts
    • B29D30/243—Drums for manufacturing substantially cylindrical tyre components without cores or beads, e.g. treads or belts and with mechanisms for folding layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/24—Drums
    • B29D30/26—Accessories or details, e.g. membranes, transfer rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/32—Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/48—Bead-rings or bead-cores; Treatment thereof prior to building the tyre
    • B29D30/50—Covering, e.g. by winding, the separate bead-rings or bead-cores with textile material, e.g. with flipper strips
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1036—Bending of one piece blank and joining edges to form article
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1036—Bending of one piece blank and joining edges to form article
    • Y10T156/1038—Hollow cylinder article

Definitions

  • the invention relates to machines for manufacturing an object closed onto itself, which machines comprise first means for guiding and carrying a tyre material to be arranged round the first means.
  • the invention also relates to methods for manufacturing an object closed onto itself, comprising of arranging a tyre material round first means provided for this purpose. Such machines and methods can be applied particularly in the production of tyres for vehicles.
  • Tyre materials must herein always be severed at a determined length and welded, and then optionally folded and pressed together. Particularly in the case of tyres high standards are set for the quality of the welds and the pressing, and for the final form.
  • the object of the present invention is to provide an improved solution for the welding, folding, treating and processing of tyre materials to form an object closed onto itself.
  • the invention provides for this purpose a machine for manufacturing an object closed onto itself, which machine comprises first means for guiding and carrying a tyre material to be arranged round the first means, characterized in that the first means can change form in controlled manner between a first form and a second form.
  • An object closed onto itself is understood to mean ‘an object without end’, for instance an annular or cylindrical object such as a car or cycle tyre, although other forms are also possible.
  • ‘Tyre material’ is understood to mean a material extending lengthwise, such as a strip or a ribbon, with a more or less constant cross-section of a determined form.
  • the first means can thus be adapted to a desired form of the object for manufacturing.
  • the tyre material or other objects can thus also be arranged more easily round the first means, or removed therefrom, by reducing the size of the first means, or conversely be tensioned by increasing the size of the first means.
  • the first form can herein have a substantially cylindrical periphery with a first diameter, and the second form a substantially cylindrical periphery with a second diameter differing from the first diameter.
  • the first means can thus be adapted to a desired diameter of the object for manufacturing.
  • the first form preferably has a substantially cylindrical periphery and the second form a substantially cylindrical periphery with a flattened portion.
  • a more or less flat supporting part can thus be temporarily created, to which can be welded outer ends of the tyre material, whereafter the first means can again for instance take on a cylinder form.
  • the first means preferably comprise a plurality of elements wherein the positions of the elements can be adjusted relative to each other such that an at least partial change takes place between the first and the second form.
  • the elements are herein preferably rod-like and placed at determined mutual distances. The form can thus be readily changed without the replacement of components being necessary. Recesses are also created in the first means by placing the rod-like elements at determined mutual distances, which recesses can be useful in further processes, for instance in folding of the tyre material as described hereinbelow.
  • At least some of the elements are each preferably rotatable around their own axis.
  • the tyre material arranged round the first means can then ‘adapt’ itself relative to the first means, for instance when the first means changes form, whereby tensile forces and stresses will be distributed more uniformly over the tyre material.
  • the tyre material arranged round the first means can thus optionally also be moved integrally relative to the first means, for instance to carry out a determined process, for instance pressing together of a folded tyre material as described hereinbelow.
  • At least some of the elements can herein be articulated and/or provided with a hinge, which can facilitate the placing or removal of optionally welded tyre material or objects closed onto themselves.
  • the first means can also comprise a bellows, wherein the bellows can be filled and emptied such that an at least partial change takes place between the first and the second form. This can be advantageous in determined applications.
  • the machine preferably also comprises second means for holding and transporting the tyre material to the first means, and third means for holding the tyre material on the first means.
  • the tyre material can thus be arranged round the first means, wherein the stresses in the arranged tyre material can be properly controlled.
  • the machine preferably also comprises fourth means for cutting the tyre material, and also fifth means for welding the tyre material. An object closed onto itself can thus be manufactured.
  • the invention also provides a machine for manufacturing an object closed onto itself, which machine comprises first means for guiding and supporting a tyre material to be arranged round the first means, characterized in that the machine also comprises sixth means for folding the tyre material arranged round the first means, for which purpose the sixth means comprise a number of folding members movable relative to each other, which folding members can engage on the tyre material for folding and can therein move inside recesses provided for this purpose in the first means.
  • the tyre material arranged round the first means can thus be folded without having to be removed from the first means. This will be further explained in the following description of preferred embodiments of the invention.
  • the sixth means can herein also comprise pressing members for pressing together the folded tyre material.
  • the edges of the folded tyre material can thus for instance be pressed against each other so as to thus bring about a good adhesion. This will also be explained further in the following description of preferred embodiments of the invention.
  • the machine preferably also comprises seventh means for displacing the first means from a first position, for instance for welding the tyre material, to a second position, for instance for folding the tyre material, and vice versa.
  • the welded tyre material can thus be folded after the welding without having to be removed from the first means.
  • the machine can herein also comprise a second set of first means, which second set is conversely displaced from the second to the first position when the first means are displaced from the first position to the second position, and vice versa.
  • the production rate can in principle thus be doubled, and the drive and the movements of the two sets of first means can also be at least partly combined, which results in advantages of design and production engineering and energy-related advantages.
  • the invention also comprises methods for manufacturing an object closed onto itself, comprising of arranging a tyre material round first means provided for this purpose.
  • FIG. 1 shows a perspective view of a machine according to the invention
  • FIG. 2 shows front views and perspective views of first means for guiding and carrying tyre material according to the invention
  • FIG. 3 shows the welding of a tyre material
  • FIG. 4 shows the folding of a tyre material according to the invention.
  • FIG. 1 shows a machine ( 1 ) according to the invention for manufacturing an object closed onto itself, in this embodiment a component of a car tyre.
  • Machine ( 1 ) comprises a winding and welding part ( 2 ) and a folding part ( 3 ).
  • Machine ( 1 ) comprises first means ( 4 ) which can change form in controlled manner between a cylinder form ( 4 A) and a cylinder form ( 4 B) with a flat portion (F), see FIG. 2 .
  • the first means ( 4 ) are constructed from a plurality of radially adjustable fingers ( 6 ) which are placed at determined mutual distances.
  • the diameter of cylinder forms ( 4 A, 4 B) can also be changed by adjusting the fingers ( 6 ), for instance in order to prepare machine ( 1 ) for a different product, for instance a tyre of different dimensions. Fingers ( 6 ) are rotatable around their own axis.
  • a tyre material in this embodiment a strip of semi-plastic rubber ( 5 ), is wound round the first means ( 4 ), wherein the first means ( 4 ) have been made to take on the cylinder form ( 4 B) with the flat portion (F) by causing the first means ( 4 ) to rotate, wherein the strip part ( 5 ) is held by second means, for instance by applying an underpressure, and is transported to the first means ( 4 ).
  • the flat portion (F) can be provided with third means for holding strip part ( 5 ) thereon, for instance by again applying an underpressure.
  • Strip part ( 5 ) can thus be arranged round the first means ( 4 ), wherein the position of strip part ( 5 ) and the stresses in strip part ( 5 ) can be properly controlled.
  • the winding and welding device ( 2 ) also comprises fourth means for severing one new strip part ( 5 ) at a time.
  • strip part ( 5 ) is wound round the first means ( 4 )
  • the outer ends thereof are held fast by the second means and optionally the third means. It is ensured that outer ends ( 8 , 9 ) come to lie on the flat portion (F), and there partly overlap each other as shown in FIG. 3 .
  • welding on a flat surface produces a better quality of weld than welding on a non-flat surface. This is particularly important in the case of a longer weld, such as the oblique weld in the given example.
  • the tensile forces and tensile stresses will also be distributed uniformly over the strip part ( 5 ) because fingers ( 6 ) can rotate.
  • the overlapping ends are subsequently welded using fifth means ( 10 ), for instance a roller.
  • tyre material optionally already welded, can for instance be arranged round the welded rubber strip part ( 5 ), in this example an already welded assembly ( 11 ) of a ‘heel’ ( 11 ′) and a ‘filler strip’ ( 11 ′′).
  • the form of the first means ( 4 ) can then be changed to the cylinder form ( 4 A), wherein the welded strip part ( 5 ) and the possible other tyre material are tensioned to a greater or lesser extent.
  • the tensile forces and stresses will here once again be distributed uniformly since fingers ( 6 ) can rotate.
  • seventh means ( 24 ) it is then possible by means of seventh means ( 24 ) to displace the first means ( 4 ) with the welded strip part ( 5 ) and the optional other tyre material from the winding and welding part ( 2 ) to the folding part ( 3 ), without removing it from the first means ( 4 ).
  • a second set of first means ( 4 ′) moves in opposite direction from folding part ( 3 ) to winding and welding part ( 2 ).
  • the production rate can thus in principle be doubled, and the drive and the movements of the two sets of first means ( 4 , 4 ′) can also be at least partly combined, which results in advantages of design and production engineering and energy-related advantages.
  • the welded strip part ( 5 ) is then folded by means of a series of sixth means ( 20 ) which each comprise a number of folding members ( 21 ) which are movable relative to each other, see FIG. 4 , by having the folding members ( 21 ) engage on the edges of the strip part ( 5 ) for folding.
  • the edges of the folded strip part ( 5 ) are then pressed against each other so as to thus bring about a good adhesion, for which purpose the sixth means ( 20 ) also comprise pressing members ( 23 ), in this embodiment rollers. Owing to the spaces between rod-like elements ( 6 ), which form recesses ( 22 ) in the first means ( 4 ′), folding members ( 21 ) and pressing members ( 23 ) can move inside these recesses ( 22 ). The edges can thus be folded and pressed together without having to remove them from the first means ( 4 ′).
  • the whole of folded strip part ( 5 ), heel ( 11 ′) and filler strip ( 11 ′) can subsequently be rotated relative to the first means ( 4 ′), for instance by holding fixedly the assembly of folded strip part ( 5 ), heel ( 11 ′) and filler strip ( 11 ′) and rotating the first means ( 4 ′), or for instance by stopping the first means ( 4 ′) and rotating fingers ( 6 ) about their own axis.
  • the edges and the assembly can thus be well pressed together once more over the whole length, and the assembly can be arranged in even better manner in a desired, in this example round, form.
  • the assembly of folded strip part ( 5 ), heel ( 11 ′) and filler strip ( 11 ′) can then be pressed away from the first means ( 4 ′) by means of a separator provided for the purpose, wherein the pressing members ( 23 ) once more press the edges well against each other in transverse direction and a final form is obtained with an ‘oblique’ cross-section which is desired in this embodiment.
  • the assembly of separator with the welded and folded strip part ( 5 ), heel ( 11 ′) and filler strip ( 11 ′) thereon can then be further treated or processed.
  • Fingers ( 6 ) can optionally be articulated and/or provided with hinges, which can facilitate the placing or removal of optionally welded tyre material or objects closed onto themselves.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Tyre Moulding (AREA)
  • Body Structure For Vehicles (AREA)
US11/792,661 2004-12-15 2005-12-15 Machines and methods for manufacturing of an object closed onto itself Expired - Fee Related US8276635B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1027749 2004-12-15
NL1027749A NL1027749C2 (nl) 2004-12-15 2004-12-15 Machines en werkwijzen voor het vervaardigen van een in zichzelf gesloten voorwerp.
PCT/NL2005/000865 WO2006065122A2 (en) 2004-12-15 2005-12-15 Machines and methods for manufacturing of an object closed onto itself

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US20090038740A1 US20090038740A1 (en) 2009-02-12
US8276635B2 true US8276635B2 (en) 2012-10-02

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US11/792,661 Expired - Fee Related US8276635B2 (en) 2004-12-15 2005-12-15 Machines and methods for manufacturing of an object closed onto itself
US13/246,969 Abandoned US20120132347A1 (en) 2004-12-15 2011-09-28 Machines and methods for manufacturing of an object closed onto itself

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US13/246,969 Abandoned US20120132347A1 (en) 2004-12-15 2011-09-28 Machines and methods for manufacturing of an object closed onto itself

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US (2) US8276635B2 (de)
EP (2) EP2402149B1 (de)
JP (2) JP5121459B2 (de)
KR (1) KR101250116B1 (de)
CN (1) CN101084104B (de)
AT (1) ATE555895T1 (de)
BR (1) BRPI0519339A2 (de)
NL (1) NL1027749C2 (de)
RU (1) RU2400366C2 (de)
WO (1) WO2006065122A2 (de)

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* Cited by examiner, † Cited by third party
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JP5961252B2 (ja) * 2012-04-06 2016-08-02 不二精工株式会社 ビードリングの把持装置
NL2018238B1 (en) * 2017-01-26 2018-08-01 Vmi Holland Bv Apparatus and method for applying a gum strip to an edge of a cord reinforced ply

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US3909337A (en) 1972-05-31 1975-09-30 Bridgestone Tire Co Ltd Green tire shaping apparatus
DE2420329A1 (de) 1974-04-26 1975-11-06 Continental Gummi Werke Ag Verfahren und vorrichtung zum aufbauen von guerteln fuer fahrzeugluftreifen.
US3976532A (en) 1974-12-23 1976-08-24 Tred-X Corporation Tread applying machine
US4268330A (en) 1978-12-29 1981-05-19 Bridgestone Tire Company Limited Green tire building process and apparatus
EP0417991A2 (de) 1989-09-12 1991-03-20 Bridgestone Corporation Vorrichtung zum Formen eines zylindrischen Artikels
US5032198A (en) 1987-06-18 1991-07-16 Sumitomo Rubber Industries, Ltd. Method for manufacturing an assembly of a belt, a band, and a tread rubber
WO2000046018A1 (en) 1999-02-03 2000-08-10 The Goodyear Tire & Rubber Company Adjustable tire building contour drum and method of building tire thereon
EP1197317A2 (de) 2000-10-10 2002-04-17 Bridgestone Corporation Verfahren und Vorrichtung zur Reifenherstellung
JP2003071951A (ja) * 2001-09-07 2003-03-12 Yokohama Rubber Co Ltd:The シート状材料の自動接合方法及びその接合装置
DE102004008273A1 (de) 2004-02-20 2005-09-08 Continental Aktiengesellschaft Vorrichtung zum Konfektionieren von Reifenbauteilen und Verfahren zu deren Betrieb

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US3909337A (en) 1972-05-31 1975-09-30 Bridgestone Tire Co Ltd Green tire shaping apparatus
DE2420329A1 (de) 1974-04-26 1975-11-06 Continental Gummi Werke Ag Verfahren und vorrichtung zum aufbauen von guerteln fuer fahrzeugluftreifen.
US3976532A (en) 1974-12-23 1976-08-24 Tred-X Corporation Tread applying machine
US4268330A (en) 1978-12-29 1981-05-19 Bridgestone Tire Company Limited Green tire building process and apparatus
US5032198A (en) 1987-06-18 1991-07-16 Sumitomo Rubber Industries, Ltd. Method for manufacturing an assembly of a belt, a band, and a tread rubber
EP0417991A2 (de) 1989-09-12 1991-03-20 Bridgestone Corporation Vorrichtung zum Formen eines zylindrischen Artikels
US5073226A (en) * 1989-09-12 1991-12-17 Bridgestone Corporation Cylindrical member forming apparatus
WO2000046018A1 (en) 1999-02-03 2000-08-10 The Goodyear Tire & Rubber Company Adjustable tire building contour drum and method of building tire thereon
EP1197317A2 (de) 2000-10-10 2002-04-17 Bridgestone Corporation Verfahren und Vorrichtung zur Reifenherstellung
JP2003071951A (ja) * 2001-09-07 2003-03-12 Yokohama Rubber Co Ltd:The シート状材料の自動接合方法及びその接合装置
DE102004008273A1 (de) 2004-02-20 2005-09-08 Continental Aktiengesellschaft Vorrichtung zum Konfektionieren von Reifenbauteilen und Verfahren zu deren Betrieb

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Publication number Publication date
JP5283738B2 (ja) 2013-09-04
JP5121459B2 (ja) 2013-01-16
NL1027749C2 (nl) 2006-06-16
US20120132347A1 (en) 2012-05-31
EP2402149A1 (de) 2012-01-04
ATE555895T1 (de) 2012-05-15
WO2006065122A2 (en) 2006-06-22
CN101084104B (zh) 2010-12-29
EP1831003A2 (de) 2007-09-12
EP2402149B1 (de) 2013-04-24
US20090038740A1 (en) 2009-02-12
JP2011245874A (ja) 2011-12-08
WO2006065122A3 (en) 2007-01-11
EP1831003B1 (de) 2012-05-02
RU2007126812A (ru) 2009-01-27
BRPI0519339A2 (pt) 2009-01-20
RU2400366C2 (ru) 2010-09-27
CN101084104A (zh) 2007-12-05
JP2008524021A (ja) 2008-07-10
KR101250116B1 (ko) 2013-04-02
KR20070092281A (ko) 2007-09-12

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